💀anatomy and physiology i review

Costal cartilage

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Costal cartilage is the hyaline cartilage that connects the ribs to the sternum, allowing the ribcage to expand and contract during breathing. It provides flexibility and support to the thoracic cage.